Drug profile

The FDA adverse-event record for Tulathromycin

2,352 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Tulathromycin. See the species affected, top reactions, and outcomes below.

2,352
adverse-event reports
56.8%
death-coded share
Cattle
most-reported species
949
Death - top reaction
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Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
2,352
Total Reports
1,335
Deaths Reported
56.8%
Death Rate

Active Ingredients

Tulathromycin

Administration Routes

SubcutaneousUnknownIntramuscularTopicalOralParenteralOtherOphthalmicIntravenousSubconjunctival

Species Affected

Cattle 1,659
Unknown 310
Human 261
Pig 58
Goat 21
Sheep 13
Cat 11
Dog 8
Horse 5
Alpaca 2

Most Affected Breeds

Mixed (Cattle) 699
Unknown 576
Cattle (other) 463
Holstein-Friesian also known as Holstein 138
Cattle (unknown) 111
Aberdeen Angus 95
Crossbred Bovine/Cattle 83
Crossbred Porcine/Pig 36
Jersey 16
Pig (unknown) 14

Most Reported Reactions

Death 949
Lack of efficacy - NOS 745
Lack of efficacy (bacteria) - NOS 632
Injection site pain 119
Necropsy performed 106
Unclassifiable adverse event 86
Injection site reaction NOS 83
Accidental exposure 81
CULTURE/TITER DATA ABNORMAL 73
Injection site swelling 72
Death by euthanasia 63
DEATH-TREATMENT FAILURE 61

Outcome Breakdown

Died
1,299 (44.5%)
Outcome Unknown
1,076 (36.8%)
Recovered/Normal
227 (7.8%)
Ongoing
209 (7.2%)
Euthanized
69 (2.4%)
Recovered with Sequela
41 (1.4%)

Tulathromycin Adverse Event Insights

2,352 reports name Tulathromycin; 1,335 recorded a death outcome (56.8% of reported events, not a population-level mortality rate). Active ingredient: Tulathromycin. Administration routes: Subcutaneous, Unknown, Intramuscular, Topical.

By species: Cattle (1,659 reports), Unknown (310 reports), Human (261 reports). By breed: Mixed (Cattle) (699), Unknown (576), Cattle (other) (463).

Leading clinical signs: Death (949), Lack of efficacy - NOS (745), Lack of efficacy (bacteria) - NOS (632), Injection site pain (119). Outcome, 2,921 coded reports: Died leads at 44.5%.

Read these counts as reporting volume, not risk: per our methodology, a widely-prescribed drug will rack up more raw FDA reports in a given year than a rarely-used one at an identical true rate, so we recommend comparing within similar-exposure products rather than across the full 2025 catalog.

Source: FDA Center for Veterinary Medicine openFDA Animal & Veterinary Adverse Events (CVM AER) · 2025

Every figure on PlainBreed is rendered directly from FDA openFDA adverse event data, no number is typed in by an editor. This page draws directly on FDA openFDA data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.